removed name shadowing possibilities and new angle definition

src/Affection.hs

@@ -114,7 +114,7 @@ withAffection AffectionConfig{..} = do
     , drawCPP         = cpp
     , drawStack       = []
     , elapsedTime     = 0
-    , dt              = 0
+    , deltaTime       = 0
     }) <$> loadState
   (_, nState) <- runStateT ( A.runState $ do
     preLoop
@@ -138,7 +138,7 @@ withAffection AffectionConfig{..} = do
         put $ ad
           { drawStack = []
           , elapsedTime = ne
-          , dt = dt
+          , deltaTime = dt
           }
         -- poll events
         evs <- preHandleEvents =<< liftIO SDL.pollEvents
@@ -214,7 +214,7 @@ getElapsedTime =
 
 getDelta :: Affection us Double
 getDelta =
-  dt <$> get
+  deltaTime <$> get
 
 quit :: Affection us ()
 quit = do

src/Affection/Types.hs

@@ -10,12 +10,12 @@ module Affection.Types
   -- , AffectionDrawInner(..)
   , InitComponents(..)
   -- , Loop(..)
-  , RGBA(..)
+  -- , RGBA(..)
   , DrawType(..)
   , DrawRequest(..)
   , RequestPersist(..)
   , Angle(..)
-  , ConvertAngle(..)
+  -- , ConvertAngle(..)
     -- | Particle system
   , Particle(..)
   , ParticleSystem(..)
@@ -92,7 +92,7 @@ data AffectionData us = AffectionData
   , drawStride      :: Int                -- ^ Stride of target buffer
   , drawCPP         :: Int                -- ^ Number of components per pixel
   , elapsedTime     :: Double             -- ^ Elapsed time in seconds
-  , dt              :: Double             -- ^ Elapsed time in seconds since last tick
+  , deltaTime       :: Double             -- ^ Elapsed time in seconds since last tick
   }
 
 -- | This datatype stores information about areas of a 'G.GeglBuffer' to be updated
@@ -143,12 +143,12 @@ type Affection us a = AffectionState (AffectionData us) IO a
 --   { runLoop :: f -> (a, f) }
 --   deriving (Functor, Applicative, Monad, MonadState (Loop f))
 
-data RGBA = RGBA
-  { r :: Int
-  , g :: Int
-  , b :: Int
-  , a :: Int
-  }
+-- data RGBA = RGBA
+--   { r :: Int
+--   , g :: Int
+--   , b :: Int
+--   , a :: Int
+--   }
 
 -- | Type for defining the draw type of draw functions
 data DrawType
@@ -159,29 +159,31 @@ data DrawType
     { lineWidth :: Int -- ^ Width of line in pixels
     }
 
--- | Type for defining angles
-data Angle
-  = Rad Double -- ^ Angle in radians
-  | Deg Double -- ^ Angle in degrees
-  deriving (Show)
+type Angle = Double
 
--- | Typeclass for converting Angles from 'Deg' to 'Rad' and vice versa.
-class ConvertAngle a where
-  toRad :: a -> a -- Convert to 'Rad'
-  toDeg :: a -> a -- Convert to 'Deg'
-
-instance ConvertAngle Angle where
-  toRad (Deg x) = Rad $ x * pi / 180
-  toRad x = x
-
-  toDeg (Rad x) = Deg $ x * 180 / pi
-  toDeg x = x
-
-instance Eq Angle where
-  (==) (Deg x) (Deg y) = x == y
-  (==) (Rad x) (Rad y) = x == y
-  (==) dx@(Deg _) ry@(Rad _) = dx == toDeg ry
-  (==) rx@(Rad _) dy@(Deg _) = toDeg rx == dy
+-- -- | Type for defining angles
+-- data Angle
+--   = Rad Double -- ^ Angle in radians
+--   | Deg Double -- ^ Angle in degrees
+--   deriving (Show)
+-- 
+-- -- | Typeclass for converting Angles from 'Deg' to 'Rad' and vice versa.
+-- class ConvertAngle a where
+--   toRad :: a -> a -- Convert to 'Rad'
+--   toDeg :: a -> a -- Convert to 'Deg'
+-- 
+-- instance ConvertAngle Angle where
+--   toRad (Deg x) = Rad $ x * pi / 180
+--   toRad x = x
+-- 
+--   toDeg (Rad x) = Deg $ x * 180 / pi
+--   toDeg x = x
+-- 
+-- instance Eq Angle where
+--   (==) (Deg x) (Deg y) = x == y
+--   (==) (Rad x) (Rad y) = x == y
+--   (==) dx@(Deg _) ry@(Rad _) = dx == toDeg ry
+--   (==) rx@(Rad _) dy@(Deg _) = toDeg rx == dy
 
 -- | A single particle
 data Particle = Particle